Filling stop motion for looms



Nov. 3, 1931.. M. H. FEEHAN 1,830,265

FILLING STOP MOTION FOR LOOMS Filed May 18, 1928 f5 J f'c/ae/ bl." @da 4-25 I Patented Novi;Y 1,1931

waaier;

f Y n xNowLEsf L90M-'wv ,MASSAGHWETTIS f A *This-Einvention, relates 1to1 improvements in 'filling VVstop motions 'forl'ooins and :it is #the i general object fof f the invention tol provide? a *motion j having provision 1 for 'reducing the Q vengages .theV weft`r is'located 'between the selpressure'of the filling `forkf tines las. they-.en-

- vages of the clothjbeingfwoven. Becaliseof its 'position' 'there a tendency for the fork tof'stretch the lfillingib'etwee'the selvages, so

' thang-af v'the @meer .beat-upm@ @19th-located line with the rk may-be kinky or Ahave l ka different appeara efroinfthe remainder of hefcloth It is. a

reducing the freeso' thatjtherejw1-rb little for nov tendency wirres@ :undue Slec'knesis fin the ffilling. f

The so-called Noi? K rvI'n'oticfin employsa cam? plate yfined with'respect to the breast jl'beam l of ,the loom/and i dagger is mounted-jor vertical "movement relatively to `vthe lay-and is s operatively `foonn'ectedf to the,` vtinesoffithe' fork; the dagger moving downwardly,and"l forwardly Aduring fthe forward beatofthe layto lOWei. the fork on .th'efilling It' filling -isprefsent the dagger will be` supported' fs'o vas' Vto clear a knockof lever,Y but if filling is absentthedagger will I' 'sdescend" toA a"suliicient1-level; tof engage the Y vlevert-o insure stopping of theiloom.`

It isla more dctailedob-ject'of my-pres y the, filling. TAS the 'fork-descends "the Aweight engages -ar fs'topilbyf which it is supported so. 'that the fork may continue to niovejdown-l wardlyr with reduced force1 and exert., a less- *Anmie "wenn" if V,set forth in the claims:

."direction Knowles centerstop .oiililonoiisrim iusseof'nusnmwsgnssieivon fijo Gnomz-reirse Y. Ic-K510i*,.wonnsrrnn,jmnssncHUsE'r'rs, A oomoRaliro'nV 'or' jfjm'riiiinegsror izrorron'ronL'oo'iacrsy ma-serial ir. 278302. 'j y Vhave Vdescribedthis ffeatnre of' the invention connectionfwith the sofcalled N059 stop motion yetthe principle set forth hereinfmay f be applied to the so-c'alledNo. y8 stop motion isshown in Patent No. 376,77 6.

*.Wit-hfthese vand other objects 'in view which will-,appear as the description,proceeds,fmy 'invention residesn inv the combination and; ar-

described and 'i60 rangement of partshereinafter :the: accompanying drawings wherein oneiform of my'inventiony is shown,

{Figszfl is4 i a vertical *transverse` Vsection throghithe breast beam'yand lay and show* "65 ingimy filling'sto'p motion in a position to Apermit'continuedrunning offthe loom, Y `Fig.2.isa'detailed front'elevationof the y .frstop'motionplookingrtoward the lay in'jlthe line o Figi 3, and

IJ Figs-5 and 6 are views'similar to;a` portion Y l n fof the-structure shownin Fig. 1but with the f Vadapted for'cooperationfwithfafdagger supported ,byr and` mvingjwith the layffSaidparts in diii'erent positions.

lj;Referring''particlilarly toy Figpl I'h'ave showngthe breast beam v10 ofthe loom frame "80 asbeing provided'with al brackety 11 from which extends a, bearing 12 for the shipper shaft or rod 13@ ".Saidrod has securedt-hereto an arm y1li extending rearwardly and un- 4der a lug lcast usually as an integral part S5 ofthe C-shaped knoclvrol".v lever'l. The ley xveris pivoted at17 to 'afbracket' 18 held inv fixed position relatively to the breast beam andv said lever abuts the lug 19 formed as part Voffthe bracket 18, but extends above said- 90 lugk as lshown vin Fig. f1.v y y djfustably secured .to the rear endgof .the bracketplis a camplate 2O having a downfwardlyanfd forwardly' extending facev Qlthe relative position of which maybe varied with J" y Ifrespe'c't.to -thebracketflSby meansofa bolt k [22( The fya'ceQlwis'adapted yfor engagement fvvtha dagger 23 held in a dagger carrier 24 Y pivotedy as at 25 toa bracket 26y scoured tothe anaemia@ of the lay 27a The fear' and feel@ i5 Y jsecuredtothe'lay 27. `A-tinejfcarrying meni-V l -f l Pivotally connected asatBO to the dagger! carrier-24 is connector C they upper endoif.

rV' wheli, is pivotaily vconnectedfas.. atY to `arm32` secured lto a stub sh'aftSBv which as shown in F ig. 2 extends through apairof. spaced bearings 34.., Said hearings rnayfl'oe formed as' part of platefwhichmay either he a part of the bracket 26 or a separate part Vber 36l'i's .loeatedf hetween'thelhearings and'byjrnean's of screws 37 supportsiaind holds in position the time eser. the suing fore.

The armi-32; stulo"I shaft 33, element-.Bfand 1 tines'?V constitute'the fork element previousmentioned. i `The V'tines are #adapted `for movement' into awell y39 Jformed in thefupp er :part ofthel lav f Set 'screw 40 -.s.e'cnres` the Vmember'to'the stubshaft-BS.

' Then the lay.` is in rearward position the' dagger 23 isi lifted tofa: relatively high posi- The matter thus-far deserihed is of/V Knowles` centers-top motion such vasiisffsettion by thecain plateiso'thatthe connector operating through the partspreviously? de-V s Y continue, tofririove-as-itlniI Yweights551. comesto 'scribed raises the tines.- of: theforli `to thetp'o- Vsition shown in Fig. 5.l Astheflaygadvances VV--the daggerY willY start; lto ymove` dow-n the :ca-rn face f21asxprevious'ly described.

mon construction with the exception:tof-thev connector? Cpanel .is'the soecalied No.19'or Y forthin patent to Gr. I-IutchinsNo 56GO36 to which; reterence: may be'had forI further description of the' mannerine which counter- @cloclrwise movement-.of vthe SCJ-shaped leverY 'hnwll 16 willf cause thef lug 15J-'tof depressv the arm v 14 and cause 2in-angular movementofthe shipper rod forshait 13 toeffect stopping, of the loom- The structure already described forms no part of my present. invention and y `may 'if desired he forine'd'as shownin prior PatentsNo; 1,223,708 to McGuiness or 1,243,- 8311`to5 Gagnon'. v s

lin V c 'arrying ymyI present invention 'into ef- -fect I provide improve-d means vforvcontrollingjthe' downward movement'ogt thetines 38" and vfor 'reducing theiorce acting `on said Atines tending to move-them intothe well 39.

By referring particularly to Fig. 'Sfitlw-ill be seen that I have formed'the connector Cwith Yaflowe'rV flat parttlhaving a reducedfup'per. endbl,andfprovide thelatter with threads.'A f 52 whiehetendfinto ahead 53. Thelower` ypart 5:0. has 'shoulders'i on may rest Y 'Y onelorniore' weights V5.5. "Said weightscan be s assembled inthe position, shown in Fig. Billy Vreason'of thetact'that the headgniayhe Whatl Claim is; y? fi A meiieefleee 1.05515@ .temete-1. fffomifhe threads 52e@ permity in* it.. .From .the vfo sertion 'of the reduced Aends 5l through the openings in said weights.

Astop'G is formed necessarily as shown in Fig; i Withapar of `lugs '57 lspaced apart a suiiicient distance to Vacoornnn'odatethe lower"portionf5()` and the laott'oniofthe reducediportionl @Said portion 50V extends freely lhetween the llugs 57 as showninf'lotted lines. in; Fig.. tand said lugs are sof"proportiene kkand located; as 'to (preferably though not V engage the' lowest weigh hiasffth vtinejs ap- 1 positionJL "Asaftheglayemovesforw-ar'dlyj the i dagger 23;.wi'll :move downwardly, asprervously described, toeectxal@verf-lingI of the tines- 38 and. thev I Connector, [Gig During thev downward movement` of 'th'efglatter.;r the weiglnfs,v which.V as: will# readily he .under ystood arefv free' to movel or slide, with respect ltoftheend 5l', arey arrested by-gstopb'so as `to heghelcl;v against further downward movement. j`- The pressure i.tending-j,k tof move fthe tines'into-thewellBQ: will l Y Y siderahlfy; .rerlncerhA and);y he dependent Vmerely Iupon l-thefweig-ht 'of `the parts .v which Vrest relativelyftofthe a f ai 4 I havefs'hown herein ee separateweights S0thattherresm .eyfjberaredfeedlhave; shown the; variation in the pressure Ibrought-itofhear@ongthejtines as Abeing elji'ected )through .tlie 1arrestinger,A of; movement of weights; ;hut; do not Lwish. to .bei limited i to :the particular-garrangement shewn. lier.ein,as my invention contemplates in 'itsf'broader aspects: means to-v change' a. yielding. vrpressure l5" therefora'bew l tending to-A lowering of the-tines A 38 vrzoward f t t t 'regoingitfwiilgheseeiilhthat I have rre-welded au veryfsl-mrledevl Whelfem yielding f device: acts to4 move the tinesf downwardly with suiiicient Al force. to, insure la proper' start'in. the t downward movement ot said tines, but that'asjsaidtinesapproach the.v filling. the pressure 1 is. reduced Aso that s there will be a 4dirninished tendencyy on the part of the filling fork to produce .undue and undesirable slaclthe filling. It will urther VK he seen; that'y Las., 4thefforlr assumesvthe horizontalfposition whereI it Vwould tend` with greatest orceffto movesdownwardlyzhy its" own weight7vv the:weights,-55 l .heldsagainst f further cont-rol ofwtheatorlnm'- Having `thus described. inyj invention it wiliy be.,-seen .-that :changes and modifications he. inadethereinby those skilled-@inthe d i er# WithoutdepartingrQ-mhferrt @ed A scopeoic ,the invention andfli do kiiotwish to .be limited` to .the details-herein ll disclosedfhut 1,114,111121 @Meester ing a lay, a filling fork movable relativelyfto n the layfrom non-detecting to detecting position as the lay moves forwardlyY and normally weighted to fall'by gravity, means exertring a, relatively heavyf but kvariable '.force acting'on` the fork when the latteris in' nondetecting position and tending to move the' fork toward detecting position, and means to' reduce said force at the same point in the system of moving parts including aiilling dei n tecting element normally weighted to fall by vcycle of the loom independent roffthe'degree of the relatively vheavy kforce so that the force acting on the fork and tending to move they same toward' detecting position isfrela- 'Y tively light as the layl nears the limit of its forward movement. e. p I c n 2.VK In a fillingstop motion for looms. a

. gravity, a daggerV carrying element and a connecting member:- to cause the elements to move together, and 'means to exert a yielding torce on some part of the system -tendingfto-V move the detecting element fromnon-detect;

Y ing to detecting position during theirst part v only of the movementY of the detecting elef menttoward detecting position, said means effective at the same point inthe cycle of the, loom independently ofy the c amount of Vthe 'force .exerted by the means. I, v c 8. In affilling stop motion for looms, afili-4 ing fork element, a dagger carrying element, a

'i `-ments causing the same to movetogether,'ai weight operatively relatedto the connector and movable relatively to the latter and tend! connector operativelyv related to both *eleing tomove zhe detecting element ton'ardy detecting position, land means to arrest said weightas the detecting element nearsfthe end of* its detecting stroke, Vwhereby said vdetecting element movesat the end ofzits detecting stroke independently of the weight.`

l4. In a filling stop motion for looms, `la

y detecting element movable from non-detect! ing to detecting position,ja dagger carrying element, an elongated connectonoperatively connecting said element-s (and causingrthe same to move together,'a weight surrounding said connector and acting on the same when j' ing a lay, a fillingrr fork in non-detecting position when the lay isy in rearward position,

i Vgravity actuated means exerting a torce tend- Y ing at all times to cause the'fork-to :tall addithe detecting element is in non-detecting posirtionftending'to move said detecting element toward detecting position, and a stop toengage the weight as the detecting element nears the-kend of its'detecting stroke to render said weight ineffective to cause' movementjof the detecting'element yas the latterL nears thelend vof its detecting stroke.

5. In a filling stopmotionfor aloom havtionalfmeans to exert a second force onlsaid fork tending to move the same'toward ydetecting'position as thelay advances, the comfbined forces tendingtoinove the fork toward` 'fantaisie-eliminen',ancianas ai lessen said force'being exerted at a given point in the 80 Qcyclefof the loom independent of the amount of the,V other force as the fork nears the end of its movementtoward detectin position.

7. `In a filling stop motion Ior a loom having a lay, a filling fork innon-detecting position, and means to exert two distinct forces on the fork tending to move the latter toward detectingposition as the lay advances, one of thefforces being always operatively related the v,cycle being completely removed from action as the fork nears the limit of its detecting t6; "Iiitallingfstop' motion for" a loomhav.- '370 to theforl, and the other at a given point in degree y movement at said given point in the cycleof f the loom independent of the pressure exerted c rby said first force, so that only yone of said Vforces acts v`4'on said fork as the latter nears the end ofits detecting stroke.

8. 4Ina fillingstop motion for a loom, a pivotally mounted filling fork element, a, pivotally mounted dagger carrier, a connector between said element and carrier to cause them to move together, said fork element, carrier and connector constituting a weighted mass normally tending tocause the forl to fall by f gravity, a'w'eighted 'device movable relatively tive to tendfto move the fork element toward detecting position whenv the element is in one angular position, and means effective at va given point Vin the cycle ofthe loom independent ofthe amount of the weighted mass and device to render said device ineffective to move the fork element when the latter is in another angular position, the combined weight of the mass and device being variable.

9. In a filling stop motion for looms, a lling fork element movable from the non-detecting to detecting position, a dagger car-4 rier member, a. connector between the element and the member to cause said element and member to move together, said fork element, carrieigand connector constituting a Weighted mass normally tending to cause the fork` to jmove to detecting position, a weighted de- 'vice operatively connected to the connector lwhen the detecting element is inl non-detect-'f ing position andtending to move said detecting element toward detecting position, and

means effective "at a given point in the cycle` of the loom independent of the amount of the to the:y connector, said mass and device e'ecizok weighted mass and ydevice to render said de-` f#1,30 

